Sennheiser is one of the leading manufacturers of headphones and microphones worldwide. Their line includes mikes, RF and infrared wireless products, headphones, and active-noise cancellation equipment.

Sennheiser was established in 1945 in Wedemark, Germany. Sennheiser Electronic Corporation (SEC) is the U.S. wholly-owned subsidiary, with headquarters in Old Lyme, Connecticut. SEC represents all Sennheiser products in the United States. It also distributes a variety of other pro audio lines, including Neumann, Turbosound, HHB, Chevin, Rosendahl and Innova-Son.

Their primary products for musicians are:

• Headphones and headsets
• Wired microphones
• Wireless microphone systems